<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div,p{
            width: 100px;
            height: 100px;
            background-color: pink;
        }

        /* body默认margin不为0 */
        /* body{
            margin: 0;
        } */

        /* p默认margin不为0 */
        /* p{
            margin: 0;
        } */

        /* ul默认padding和margin不为0 */
        /* ul{
            margin: 0;
            padding: 0;

            list-style: none;
        } */

        /* 初始化（重置） */
        /* *{
            margin: 0;
            padding: 0;
        } */
    </style>
    <!-- 借助于第三方reset.css，重置浏览器样式 -->
    <link rel="stylesheet" href="css/reset.css">
</head>
<body>
    <div></div>
    
    <p></p>

    <ul>
        <li>li1</li>
        <li>li2</li>
        <li>li3</li>
        <li>li4</li>
    </ul>
</body>
</html>